Screen-door opener.



N0. 642,66I. Patented Feb. 6, I900.

M. J. ADAMS.

SCREEN DOOR OPENER.

(Application filed Oct. 22, 1898.) (No Model.)

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UNITED STATES PATENT OFF CE.

MATHIAS JOSEPH ADAMS, 0F LANCASTER, WISCONSIN.

SCREEN-DOOR OPENER.

SPECIFICATION forming part of Letters Patent No. 642,661, dated February 6, 1900.

Application filed October 22, 1898. Serial No. 694,352. (No model.)

To all whom it may concern:

Be it known that 1,. MATHIAS JOSEPH ADAMS, a citizen of the United States, residing at Lancaster, in the county of Grant and State of Wisconsin, have invented a certain new'and useful Improvement in Durable Automatic Door-Openers,of which the following is a full, clear, and exact description, referencebeing had to the accompanying drawings, forming part of this specification.

My invention relates to all doors to be closed by springs; and my object is to open the doors with the foot when the hands are otherwise engaged.

To this end my invention consists of a device described as follows:

In the accompanying drawings, Figures 1 and 2 are plan views. Fig. 3 is a sectional View, and Fig. 4 is a perspective View of the door-opener detached from the door.

The reference-number l in the figures of the drawings is that part of the opener at-' tached to the lower part of the door. Reference-number 2 is the strengthening-rib, and 

